Alloy 75,Nimonic 75 Rod,UNS N06075,E FORU

British Specs:BS HR5 Alloy 75 Bar BS HR203 Alloy 75 sheet BS HR403 Alloy 75 tube* BS HR504 Alloy 75 Bar (rivet)，American Specs:，German Specs:WS 2.4630 WS 2.4951,AFNOR NC 20T

### **Product Datasheet: Alloy 75 / Nimonic 75 Rod (UNS N06075)** **Alloy 75** (commercially known as **Nimonic 75**) rod is a nickel-chromium alloy supplied in rod and bar form, designed for high-temperature applications requiring excellent oxidation resistance and good mechanical properties. This product form is specifically engineered for machining components that must maintain structural integrity and performance at elevated temperatures up to 950°C. --- #### **1. Chemical Composition** The chemical composition of Nimonic 75 rod is precisely controlled to ensure optimal high-temperature performance: | Element | Content (%) | |:---|:---| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 18.0 - 21.0 | | **Iron (Fe)** | 3.0 - 5.0 | | **Titanium (Ti)** | 0.2 - 0.6 | | **Carbon (C)** | 0.08 - 0.15 | | **Manganese (Mn)** | 1.0 max | | **Silicon (Si)** | 1.0 max | | **Copper (Cu)** | 0.5 max | | **Sulfur (S)** | 0.015 max | *Note: The balanced composition provides excellent oxidation resistance through chromium content while maintaining good high-temperature strength and fabricability.* --- #### **2. Physical Properties** Nimonic 75 rod exhibits consistent physical properties across all diameters: | Property | Value | |:---|:---| | **Density** | 8.31 g/cm³ (0.300 lb/in³) | | **Melting Range** | 1380 - 1425°C (2516 - 2597°F) | | **Coefficient of Thermal Expansion** | 14.5 × 10⁻⁶/°C (20-100°C) | | **Thermal Conductivity** | 12.0 W/m·K (at 100°C) | | **Specific Heat** | 460 J/kg·K (at 100°C) | | **Modulus of Elasticity** | 214 GPa (31 × 10⁶ psi) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Magnetic Permeability** | <1.01 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Standard Mechanical Properties (Solution Annealed Condition):** | Property | Value | |:---|:---| | **Tensile Strength** | 690 MPa (100 ksi) min | | **Yield Strength (0.2% Offset)** | 310 MPa (45 ksi) min | | **Elongation** | 45% min | | **Reduction of Area** | 60% min | | **Hardness** | 85 HRB max | **Elevated Temperature Properties:** - **Service Temperature:** Up to 950°C (1742°F) - **Creep Strength:** 100 MPa at 750°C (1382°F) - **Stress Rupture Strength:** 70 MPa for 100 hours at 815°C (1500°F) --- #### **4. Product Specifications** **Available Forms & Sizes:** - **Round Rod:** Diameters 3mm to 300mm (0.125" to 12") - **Hexagonal Bar:** Across flats 6mm to 100mm - **Square Bar:** 6mm to 100mm - **Surface Finish:** Hot finished, cold drawn, turned, ground **Standard Dimensions & Tolerances:** - **Diameter Tolerance:** ±0.1mm to ±0.5mm depending on size - **Straightness:** Typically 1mm per meter maximum - **Length:** Standard 3-6 meters, custom lengths available --- #### **5. Product Applications** **Aerospace Industry:** - **Turbine Engine Components:** Mounting brackets, support rods - **Exhaust System Parts:** Support rods and hangers - **Combustion Chamber Components:** Structural elements - **Afterburner Parts:** Support structures and brackets **Power Generation:** - **Gas Turbine Components:** Combustion chamber supports - **Heat Exchanger Parts:** Support rods and tie rods - **Boiler Components:** Hanger rods and support elements - **Nuclear Applications:** Non-critical structural components **Industrial Processing:** - **Heat Treatment Equipment:** Fixture rods and support bars - **Furnace Components:** Radiant tube supports, hearth rolls - **Chemical Processing:** High-temperature reactor internals - **Glass Manufacturing:** Forming tools and handling equipment **Automotive Industry:** - **Turbocharger Components:** Shafts and mounting studs - **Exhaust Systems:** High-temperature fasteners and supports - **Performance Engine Parts:** Heat-resistant brackets --- #### **6. International Standards** **Material Standards:** - **UNS N06075**: Unified Numbering System designation - **ASTM B637**: Standard Specification for Precipitation-Hardening Nickel Alloy Bars and Rods - **AMS 5755**: Aerospace Material Specification - **BS HR 501**: British Standard - **DIN 2.4951**: German Industrial Standard **Industry Specifications:** - **ASME SB637**: ASME Boiler and Pressure Vessel Code - **ISO 9724**: Aerospace series standards - **EN 10095**: Heat resisting steels and nickel alloys **Quality Standards:** - **ASTM E8**: Standard Test Methods for Tension Testing - **ASTM E10**: Standard Test Method for Brinell Hardness - **ASTM E112**: Standard Test Methods for Determining Average Grain Size --- #### **7. Heat Treatment** **Solution Annealing:** - **Temperature Range:** 1150-1180°C (2100-2150°F) - **Cooling Method:** Rapid air cool or water quench - **Purpose:** To dissolve precipitated phases and optimize properties **Aging Treatment (Optional):** - **Temperature:** 700-750°C (1290-1380°F) - **Time:** 8-16 hours, air cool - **Purpose:** To enhance mechanical properties for specific applications --- #### **8. Oxidation & Corrosion Resistance** **Excellent Performance In:** - **High-Temperature Oxidation:** Up to 950°C continuous service - **Sulfur-Containing Atmospheres:** Good resistance to sulfidation - **Carburizing Environments:** Moderate resistance - **Thermal Cycling:** Good resistance to thermal fatigue **Oxidation Performance Data:** - **Continuous Service Temperature:** Up to 950°C (1742°F) - **Oxidation Rate:** <0.1 mm/year at 900°C (1652°F) - **Scale Adherence:** Excellent, with protective chromia scale --- #### **9. Machining & Processing** **Machining Characteristics:** - **Machinability Rating:** 40-50% (compared to 1212 steel) - **Recommended Tools:** Carbide or premium high-speed steel - **Cutting Speeds:** 15-25 m/min for turning operations - **Feed Rates:** Moderate with positive rake angles - **Coolant Requirements:** Essential for optimum tool life **Welding Considerations:** - **Recommended Processes:** GTAW, GMAW - **Filler Metal:** AWS A5.14 ERNiCr-3 or matching composition - **Preheat:** Generally not required - **Post-Weld Heat Treatment:** Recommended for critical applications --- #### **10. Quality Assurance** **Testing & Certification:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness tests - **High-Temperature Testing:** Stress rupture and creep tests as required - **Non-Destructive Testing:** UT, MT, PT as specified - **Dimensional Inspection:** To specified tolerances **Certification Requirements:** - **EN 10204 3.1/3.2**: Material inspection certificates - **Third-Party Inspection**: Available as required - **Traceability**: Full material history documentation --- #### **11. Key Advantages** * **Excellent High-Temperature Strength:** Maintains mechanical properties at elevated temperatures * **Superior Oxidation Resistance:** Outstanding performance up to 950°C * **Good Machinability:** Can be machined using standard techniques * **Proven Reliability:** Extensive service history in demanding applications * **Versatile Applications:** Suitable for various high-temperature environments * **Industry Compliance:** Meets major international standards * **Cost-Effective:** Economical solution for high-temperature applications * **Technical Support:** Comprehensive application engineering support Nimonic 75 rod provides manufacturers with a reliable, high-performance material solution for critical components operating in high-temperature environments, particularly in aerospace, power generation, and industrial heating applications where excellent oxidation resistance and maintained mechanical properties are essential requirements.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2041 gallon liquid totes Special package is available on request.